... :0.3-1,1-2,2-4,1.5-2.5mm 3.Expansion ratios:5.5-10times 4.Color:silver ... difference size 0.3-1mm 0.5-1.5mm 1-2mm 1.5-2.5mm 2-4mm 0.3 ... 0.3-1mm1.5-2.5mm,1-2mm,2-4mm,3-8mm,4-8mm,16-40mesh,20-40mesh 40 ... -0.7mm,0.3-1mm,1-2mm,2-4mm,3-8mm,4-8mm,20-40mesh,40-60mesh ... size is supplied as per customer's demands 4.Raw Vermiculite specifications ItemSpecificationsItemSpecificationPorosity:1100Kg/m3-1200Kg/ ...